Home / 522,543.76-783,519.18-477,962.98

Finding the Fourth Proportional to 522,543.76, 783,519.18 and 477,962.98

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Solution

The fourth proportional to 522,543.76, 783,519.18 and 477,962.98 is: 716,673.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,543.76 : 783,519.18 = 477,962.98 : x
  2. Step 2: Convert to fraction form
    522,543.76/783,519.18 = 477,962.98/x
  3. Step 3: Cross multiply
    522,543.76x = 783,519.18 × 477,962.98
  4. Step 4: Simplify right side
    522,543.76x = 374,493,162,159.96
  5. Step 5: Solve for x
    x = 374,493,162,159.96/522,543.76
  6. Step 6: Final answer
    x = 716,673.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.